https://bugs.winehq.org/show_bug.cgi?id=51086
--- Comment #10 from Max qbodtecy@laste.ml --- It appears that my speculation above was correct.
While trying to work around the issue I've stumbled upon this: https://github.com/Frogging-Family/wine-tkg-git/issues/396
I can confirm that uninstalling gst-editing-services solves the issue on my end.